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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/21
Name: Binder device releasably engaging aperture or notch of sheet > Resilient sheet retainer requiring deflection for sheet removal > Releasably attached to keeper
Description: Device including means to disengageably secure the distal end portion of the sheet retainer, to a contralaterally disposed keeper*.










Sub-classes under this class:

Class Number Class Name Patents
402/22 One end permanently secured 24


Patents under this class:

Patent Number Title Of Patent Date Issued
8585310 Binder clip Nov. 19, 2013
8540451 Binder clip Sep. 24, 2013
8118513 Binder lock mechanism including a manually adjustable locking bar Feb. 21, 2012
8050429 Audio recordation and reproduction spring clips Nov. 1, 2011
7794169 Bookbinding apparatus Sep. 14, 2010
7665924 Back plate and file cover for ring binder Feb. 23, 2010
6916134 Safety ring binder having sliding actuators Jul. 12, 2005
6082769 Clip for binding cut sheets used with a multi-functional picture book learning system Jul. 4, 2000
6030140 Binder Feb. 29, 2000
6010270 Ring binder with locking device Jan. 4, 2000
5597104 Disposable coupon holder for a shopping cart Jan. 28, 1997
5433480 Notebook binder system Jul. 18, 1995
5423624 Hinged loose-leaf retainer system Jun. 13, 1995
5184046 Circular waveguide plasma microwave sterilizer apparatus Feb. 2, 1993
5037229 Closure for wire loop binder Aug. 6, 1991
5018895 Film stacker clip May. 28, 1991
5009537 Booklet binding system Apr. 23, 1991
4932804 Loose leaf retainer for file folders Jun. 12, 1990
4773786 Board for writing with pen producing erasable marking, the board having a header in the upper part, hooked to the board by means of a special attachment Sep. 27, 1988
4594016 Flip card file holder Jun. 10, 1986
4577985 Ring binder Mar. 25, 1986
4511274 Looseleaf binder assembly Apr. 16, 1985
4429901 Posting board Feb. 7, 1984
4374627 Binder for perforated sheets or the like Feb. 22, 1983
4261664 One-piece report binder Apr. 14, 1981
4178710 Flip leaf exhibitor having separable ring fasteners for leaves Dec. 18, 1979
4174910 Paper clip and binder device Nov. 20, 1979











 
 
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